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BMP
Biochemical Molecules and Processes - Nucleic Acids - 23/10/24
Question | Answer |
---|---|
how are the 3 phosphate groups linked? | by two high energy bonds |
what are the two high energy bonds called between the 3 phosphate groups? | phosphoanhydride bonds |
name the pyrimidines? | cytosine, uracil and thymine |
name the purines? | adenine and guanine |
describe pyrimidines? | one ring |
describe purines? | two rings |
Chargaff's rule? | used UV spectrophotometry to analyse amounts of bases present in each DNA sample finding it all adds to 100% but not equal amounts |
when the pentose sugar is bonded to one of its bases what is formed? | nucleoside |
nucleoside? | formed when the pentose sugar is bonded to one of its bases |
nitrogenous base is covalently bonded to what? | C1' of the sugar residue |
the C1' of the sugar residue is covalently bonded to what? | nitrogenous base |
C1' of the sugar residue is bonded to the nitrogenous base by what? | covalent bond |
adenine and ribose form adenosine in what reaction? | dehydration |
adenine forms adenosine in a dehydration reaction with what? | ribose |
ribose forms adenosine in a dehydration reaction with what? | adenine |